6-Million-Year-Old Ape's Ear Suggests We Learned to Walk Upright in 3 Steps

<img width="128" height="52" src="https://www.sciencealert.com/images/2024/02/IllustrationOfLufengpithecus.jpg" alt="Illustration of ancient apes moving about through trees on two limbs, four limbs and using their arms."/>
We're kind of odd.

https://www.sciencealert.com/6-million-year-old-apes-ear-suggests-we-learned-to-walk-upright-in-3-steps